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SLR-Report No.1504

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Date:2002-01-15 08:45:00
Sender:Ron Noomen, DEOS, Delft, The Netherlands <Ron Noomen <Ron.Noomen@lr.tudelft.nl>>
Subject:[SLR-Report] No. 1504: Delft QL Report, January 15, 2002
Author:Ron Noomen, DEOS, Delft, The Netherlands
Content:********************************************************************************
SLR Electronic Report 2002-01-15 08:45:00 UTC Message No. 1504
********************************************************************************

Author: Ron Noomen, DEOS, Delft, The Netherlands
Subject: Delft QL Report, January 15, 2002


WEGENER-2 IERS

REPORT OF THE QUICK-LOOK DATA ANALYSIS CENTER
DELFT UNIVERSITY OF TECHNOLOGY
FACULTY OF AEROSPACE ENGINEERING
THE NETHERLANDS


January 15, 2002


This is a weekly report, presenting the results of a continuing analysis of the
most recent global LAGEOS-1 and LAGEOS-2 quick-look laser ranging data. The
report consists of (A) a pass summary, (B) an overview of the analysis results,
detailed statistics of the analysed measurements, and an accumulative pass
overview and (C) the earth rotation parameter solutions submitted to IERS. The
report is based on all quick-look data as received until Mon, Jan 14, 2002.
Questions and comments should be addressed to:

K.F. Wakker
Delft University of Technology
Faculty of Aerospace Engineering
Delft Institute for Earth-Oriented Space Research
Kluyverweg 1
NL-2629 HS Delft
The Netherlands

Telephone: +31-(0)15-2782065/2785377
Telefax : +31-(0)15-2785322
E-mail : ron.noomen@deos.tudelft.nl


A. PASS SUMMARY

The table below gives an overview of the ranging data both on LAGEOS-1 and
LAGEOS-2, as received by the Quick-Look Data Analysis Center (QLDAC) on Mon,
Jan 14, 2002. All data were obtained through the NASA Crustal Dynamics Data
Information system (CDDIS) and the Eurolas Data Center (EDC) in Germany.
The data are unscreened and may span more than a week due to late reporting
by the stations.

------------------------------------------------------------------------------
Station System/Location Period No. of Passes
ID LAGEOS-1 LAGEOS-2
------------------------------------------------------------------------------
7080 McDonald Obs., Fort Davis, TX 020107 - 020114 10 10
7090 Yarragadee, Australia 020107 - 020113 25 20
7105 Greenbelt, Maryland 020108 - 020113 12 8
7110 Monument Peak, California 020108 - 020114 11 14
7124 Papeete, Tahiti 020113 - 020114 - 2
7210 Haleakala Obs., Maui, Hawaii 020104 - 020111 3 1
7237 Changchun, China 020108 - 020112 2 2
7403 Arequipa, Peru (TLRS-3) 020108 - 020114 3 7
7501 Hartebeesthoek, SA (MOB-6) 020107 - 020111 5 5
7806 Metsahovi, Finland 020109 - 020109 1 -
7810 Zimmerwald, Switzerland 020106 - 020114 29 19
7820 Kunming, China 020111 - 020112 1 2
7824 San Fernando, Spain 020109 - 020114 4 1
7832 Riyad, Saudi Arabia 020107 - 020114 6 7
7835 Grasse, France 020108 - 020111 2 -
7836 Potsdam, Germany 020114 - 020114 - 1
7837 Shanghai Observatory, China 020107 - 020109 2 2
7838 Simosato Observatory, Japan 020112 - 020113 2 -
7839 Graz, Austria 020107 - 020110 10 4
7840 Herstmonceux, United Kingdom 020111 - 020112 4 1
7845 Grasse, France (LLR) 020108 - 020111 5 -
7849 Mount Stromlo, Australia 020107 - 020113 11 9
7941 Matera, Italy (MLRO) 020108 - 020113 6 3
8834 Wettzell, Germany 020108 - 020114 5 3
------ ------ --- ---
TOTAL 020104 - 020114 159 121
------------------------------------------------------------------------------


B. ANALYSIS RESULTS

The analysis is based on two orbit solutions using global quick-look normal
points that cover a period of 10 days which are computed simultaneously. This
week´s data interval runs from Thu, Jan 3, 2002 to Sun, Jan 13, 2002. The
measurement and dynamic models used in this analysis are close to the IERS
Standard. The overall model is referred to as QLDACMOD9. The details of this
model can be obtained on request. The terrestrial reference frame is provided
by a special version of the SSC(DUT) 93L05 station coordinates solution.

The general statistics and results of this week´s analysis are thus:

-----------------------------------------------------------------------
Satellite LAGEOS-1 LAGEOS-2
Number of Stations 24 20
Number of Passes 198/195 153/149
Number of Normal Points 2320/2242 1745/1698
RMS of Fit (mm) 32 34
-----------------------------------------------------------------------


Residual statistics per station. The header line for each station shows
the station id, its name, whether the position is solved for or not and the
measurement accuracy in mm. Rejected observations are not used for the
calculation of the rms-of-fit, the biases or the scatter. The latter holds
w.r.t. the residual trend line described by the bias estimates. Uncertainties
are 3-sigma values.

--------------------------------------------------------------------------------
Date Time Sat. Obs. RMS Range Bias Time Bias Scatter
tot/rej (mm) (mm) (us) (mm)
--------------------------------------------------------------------------------
Station 7080 (McDonald Obs.) (Position fixed, acc. 20 mm)
7080 5 Jan 02 02:12 LAG1 2 0 15 14 +- 76 -15 +- 189 0
7080 6 Jan 02 00:46 LAG1 13 0 7 8 +- 38 -3 +- 28 3
7080 6 Jan 02 08:14 LAG2 8 0 26 18 +- 38 -31 +- 77 9
7080 6 Jan 02 16:21 LAG2 11 0 4 2 +- 41 4 +- 45 3
7080 6 Jan 02 23:23 LAG1 5 0 19 -11 +- 49 -14 +- 37 1
7080 7 Jan 02 10:10 LAG2 11 0 14 1 +- 48 -10 +- 41 4
7080 7 Jan 02 11:57 LAG1 16 0 13 4 +- 40 5 +- 21 2
7080 7 Jan 02 14:20 LAG2 11 0 13 -8 +- 33 10 +- 29 4
7080 7 Jan 02 19:13 LAG2 5 0 8 89 +- 593 -39 +- 267 3
7080 8 Jan 02 01:39 LAG1 3 0 5 -3 +- 81 -28 +- 326 0
7080 8 Jan 02 10:56 LAG1 2 0 50 203 +-2049 -72 +- 968 0
7080 8 Jan 02 12:17 LAG2 8 0 5 13 +- 149 10 +- 98 2
7080 8 Jan 02 20:45 LAG1 3 0 37 -43 +- 142 -14 +- 295 1
7080 8 Jan 02 20:55 LAG2 7 0 10 5 +- 57 -6 +- 78 2
7080 9 Jan 02 14:55 LAG2 11 0 7 4 +- 70 -9 +- 65 3
7080 11 Jan 02 23:27 LAG1 17 0 20 -18 +- 26 5 +- 14 5
7080 12 Jan 02 12:00 LAG1 5 0 35 64 +- 281 15 +- 146 2
7080 12 Jan 02 13:04 LAG2 1 0 12 0 +- 0 0 +- 0 0
7080 12 Jan 02 15:48 LAG1 1 0 19 0 +- 0 0 +- 0 0
7080 12 Jan 02 17:21 LAG2 2 0 38 -72 +- 876 -49 +-1264 0
7080 12 Jan 02 22:15 LAG1 14 0 25 -27 +- 34 2 +- 21 2

Station 7090 (Yarragadee) (Position fixed, acc. 10 mm)
7090 3 Jan 02 08:01 LAG2 12 0 32 11 +- 29 -25 +- 28 1
7090 3 Jan 02 08:33 LAG1 7 0 48 -75 +- 70 25 +- 49 4
7090 4 Jan 02 13:57 LAG1 10 0 27 -23 +- 30 23 +- 43 2
7090 4 Jan 02 14:17 LAG2 16 0 12 -9 +- 24 4 +- 16 2
7090 4 Jan 02 17:07 LAG1 6 0 66 -51 +- 128 13 +- 113 1
7090 4 Jan 02 18:23 LAG2 28 0 21 9 +- 18 10 +- 10 3
7090 4 Jan 02 20:41 LAG1 12 0 10 13 +- 37 -4 +- 24 2
7090 6 Jan 02 07:53 LAG1 8 0 45 -49 +- 37 21 +- 58 2
7090 6 Jan 02 10:23 LAG2 19 0 31 -3 +- 22 -23 +- 17 1
7090 6 Jan 02 11:11 LAG1 16 0 37 18 +- 24 17 +- 12 3
7090 6 Jan 02 14:31 LAG2 18 0 8 0 +- 22 -4 +- 14 1
7090 6 Jan 02 14:43 LAG1 6 0 21 -14 +- 42 26 +- 100 1
7090 7 Jan 02 08:27 LAG2 8 0 40 14 +- 73 -22 +- 59 1
7090 7 Jan 02 09:45 LAG1 8 0 11 13 +- 123 10 +- 55 3
7090 7 Jan 02 12:43 LAG2 14 0 17 -7 +- 27 -11 +- 25 3
7090 7 Jan 02 13:21 LAG1 9 0 7 0 +- 42 8 +- 50 1
7090 7 Jan 02 16:49 LAG1 5 0 24 -29 +- 84 8 +- 125 1
7090 7 Jan 02 17:01 LAG2 16 0 17 15 +- 31 1 +- 21 1
7090 7 Jan 02 19:49 LAG1 22 0 5 -2 +- 20 -1 +- 10 3
7090 7 Jan 02 21:02 LAG2 4 0 28 28 +- 48 11 +- 282 2
7090 8 Jan 02 06:49 LAG2 11 0 21 -4 +- 59 -12 +- 42 3
7090 8 Jan 02 08:27 LAG1 17 0 8 8 +- 24 4 +- 16 1
7090 8 Jan 02 10:39 LAG2 14 0 7 -2 +- 26 -4 +- 18 2
7090 8 Jan 02 11:57 LAG1 16 0 24 25 +- 25 11 +- 18 3
7090 8 Jan 02 14:47 LAG2 17 0 11 -10 +- 23 -2 +- 15 2
7090 8 Jan 02 15:29 LAG1 5 0 26 -25 +- 43 22 +- 139 2
7090 8 Jan 02 18:31 LAG1 5 0 58 -42 +- 226 7 +- 104 1
7090 9 Jan 02 07:27 LAG1 4 0 45 -62 +- 156 25 +- 208 5
7090 9 Jan 02 10:39 LAG1 13 0 24 24 +- 28 10 +- 18 2
7090 9 Jan 02 13:11 LAG2 13 0 28 -10 +- 62 -13 +- 45 1
7090 9 Jan 02 14:11 LAG1 8 0 9 -8 +- 34 6 +- 64 2
7090 9 Jan 02 17:21 LAG2 4 0 26 24 +- 68 7 +- 166 1
7090 9 Jan 02 17:27 LAG1 4 0 44 -42 +- 52 4 +- 82 5
7090 10 Jan 02 06:57 LAG2 15 0 35 -26 +- 37 -7 +- 24 3
7090 10 Jan 02 09:13 LAG1 15 0 16 7 +- 25 7 +- 11 3
7090 10 Jan 02 10:51 LAG2 19 0 11 4 +- 22 -9 +- 19 1
7090 10 Jan 02 12:51 LAG1 13 0 21 -20 +- 27 -3 +- 27 1
7090 10 Jan 02 15:15 LAG2 18 0 35 -16 +- 27 27 +- 18 2
7090 10 Jan 02 16:08 LAG1 7 0 46 -46 +- 38 -5 +- 77 0
7090 11 Jan 02 08:09 LAG1 8 0 38 20 +- 55 11 +- 34 6
7090 11 Jan 02 09:05 LAG2 12 0 17 15 +- 41 -14 +- 24 2
7090 11 Jan 02 11:21 LAG1 17 0 31 -22 +- 26 8 +- 17 2
7090 11 Jan 02 13:15 LAG2 17 0 16 -10 +- 27 -6 +- 22 1
7090 11 Jan 02 14:57 LAG1 4 0 17 -14 +- 55 17 +- 232 2
7090 11 Jan 02 17:15 LAG2 23 0 39 32 +- 20 7 +- 11 10
7090 11 Jan 02 18:05 LAG1 8 0 31 -26 +- 64 4 +- 56 1
7090 12 Jan 02 07:19 LAG2 7 1 32 -40 +- 124 6 +- 93 3
7090 12 Jan 02 10:02 LAG1 13 0 22 4 +- 26 8 +- 11 4
7090 12 Jan 02 11:11 LAG2 18 0 7 -2 +- 25 -5 +- 21 2
7090 12 Jan 02 13:35 LAG1 11 0 39 -39 +- 29 -10 +- 38 2
7090 12 Jan 02 16:52 LAG1 9 0 41 -24 +- 42 -19 +- 40 1
7090 12 Jan 02 19:41 LAG2 3 0 117 118 +- 133 -1 +- 427 0
7090 12 Jan 02 20:14 LAG1 1 0 41 0 +- 0 0 +- 0 0

Station 7105 (Greenbelt) (Position fixed, acc. 10 mm)
7105 4 Jan 02 12:09 LAG1 2 0 50 -97 +-3714 -20 +-1576 0
7105 4 Jan 02 12:20 LAG2 4 0 66 -64 +- 65 9 +- 181 2
7105 6 Jan 02 08:14 LAG2 11 0 6 1 +- 50 -3 +- 42 3
7105 8 Jan 02 08:39 LAG2 19 0 21 -3 +- 27 16 +- 19 2
7105 8 Jan 02 10:09 LAG1 20 0 11 -8 +- 21 -2 +- 11 3
7105 8 Jan 02 12:54 LAG2 7 2 10 -34 +- 200 38 +- 195 3
7105 8 Jan 02 17:03 LAG2 3 0 44 -39 +- 181 10 +- 359 0
7105 8 Jan 02 20:23 LAG1 13 0 27 -37 +- 41 -8 +- 22 3
7105 9 Jan 02 00:17 LAG1 4 0 10 -10 +- 55 -2 +- 244 0
7105 9 Jan 02 06:51 LAG2 7 0 28 -28 +- 36 1 +- 95 2
7105 9 Jan 02 22:49 LAG1 15 0 34 -35 +- 31 0 +- 24 3
7105 10 Jan 02 08:49 LAG2 15 0 18 -7 +- 28 14 +- 20 1
7105 10 Jan 02 11:01 LAG1 18 0 13 -13 +- 22 0 +- 13 2
7105 11 Jan 02 19:57 LAG1 7 0 21 -16 +- 87 2 +- 59 3
7105 12 Jan 02 08:13 LAG1 16 0 41 41 +- 25 0 +- 23 4
7105 12 Jan 02 08:51 LAG2 21 0 12 -4 +- 21 6 +- 12 2
7105 12 Jan 02 11:47 LAG1 18 0 21 2 +- 22 -12 +- 13 2
7105 12 Jan 02 13:07 LAG2 10 0 31 -30 +- 30 -1 +- 31 4
7105 12 Jan 02 18:43 LAG1 13 0 12 6 +- 32 -9 +- 21 2

Station 7110 (Monument Peak) (Position fixed, acc. 10 mm)
7110 5 Jan 02 02:05 LAG1 11 0 23 1 +- 30 -18 +- 24 2
7110 6 Jan 02 00:55 LAG1 14 0 13 -23 +- 47 8 +- 26 2
7110 6 Jan 02 20:48 LAG2 5 0 43 -37 +- 120 -6 +- 122 0
7110 8 Jan 02 08:36 LAG2 4 0 33 -28 +- 119 -13 +- 301 1
7110 8 Jan 02 10:33 LAG1 5 0 19 -12 +- 43 24 +- 76 1
7110 8 Jan 02 12:17 LAG2 21 0 14 -7 +- 23 -5 +- 14 3
7110 8 Jan 02 16:48 LAG2 1 0 27 0 +- 0 0 +- 0 0
7110 8 Jan 02 21:05 LAG2 2 0 1134 433 +-1160 855 +-1416 0
7110 9 Jan 02 00:39 LAG1 3 0 27 -137 +-1832 43 +- 717 0
7110 10 Jan 02 02:23 LAG1 11 0 33 30 +- 29 -21 +- 32 3
7110 10 Jan 02 08:39 LAG2 7 0 58 -58 +- 38 -2 +- 43 3
7110 10 Jan 02 11:13 LAG1 17 0 19 -1 +- 23 15 +- 19 2
7110 10 Jan 02 12:29 LAG2 16 0 8 5 +- 25 -5 +- 15 1
7110 10 Jan 02 14:46 LAG1 16 0 21 -18 +- 24 8 +- 16 3
7110 11 Jan 02 01:09 LAG1 13 0 32 -36 +- 45 3 +- 29 3
7110 11 Jan 02 10:35 LAG2 22 0 21 -8 +- 21 -12 +- 14 4
7110 11 Jan 02 13:29 LAG1 6 1 22 52 +- 129 46 +- 95 6
7110 11 Jan 02 14:43 LAG2 15 0 41 12 +- 26 -36 +- 26 3
7110 12 Jan 02 08:51 LAG2 7 0 58 -61 +- 50 -9 +- 99 1
7110 12 Jan 02 11:59 LAG1 16 0 11 10 +- 24 0 +- 13 4
7110 12 Jan 02 12:43 LAG2 9 1 36 6 +- 38 -22 +- 25 1

Station 7210 (Haleakala Obs.) (Position fixed, acc. 20 mm)
7210 4 Jan 02 03:27 LAG1 16 0 15 1 +- 27 -7 +- 14 5
7210 8 Jan 02 05:07 LAG1 10 0 29 6 +- 41 -30 +- 51 6
7210 11 Jan 02 04:29 LAG1 10 0 24 -28 +- 40 -16 +- 34 3
7210 11 Jan 02 10:26 LAG2 2 0 5 12 +- 426 16 +-1028 0

Station 7237 (Changchun) (Position fixed, acc. 50 mm)
7237 4 Jan 02 19:40 LAG2 5 0 18 -9 +- 315 -7 +- 262 4
7237 4 Jan 02 20:13 LAG1 3 0 20 -124 +-1089 67 +- 687 2
7237 8 Jan 02 19:41 LAG2 19 0 185 171 +- 40 -34 +- 31 9
7237 8 Jan 02 21:24 LAG1 17 0 174 168 +- 42 26 +- 26 4
7237 12 Jan 02 19:25 LAG1 13 0 45 -37 +- 49 12 +- 36 8
7237 12 Jan 02 20:13 LAG2 3 0 73 -56 +- 643 -87 +- 439 3

Station 7403 (Arequipa) (Position solved, acc. 10 mm)
7403 8 Jan 02 03:51 LAG2 7 0 21 13 +- 207 -5 +- 141 1
7403 8 Jan 02 07:19 LAG1 15 0 12 13 +- 28 -7 +- 21 2
7403 8 Jan 02 08:05 LAG2 4 0 52 -19 +- 283 30 +- 262 4
7403 9 Jan 02 06:34 LAG2 5 0 8 -41 +- 347 25 +- 186 1
7403 10 Jan 02 04:09 LAG2 16 0 19 -19 +- 24 -6 +- 21 5
7403 10 Jan 02 08:13 LAG1 10 0 7 8 +- 51 -1 +- 36 2
7403 10 Jan 02 08:33 LAG2 5 0 29 42 +- 137 -19 +- 187 1
7403 11 Jan 02 02:19 LAG2 6 0 10 -8 +- 39 -19 +- 120 3
7403 11 Jan 02 06:55 LAG1 5 0 18 18 +- 79 0 +- 115 1

Station 7501 (Hartebeesthoek) (Position fixed, acc. 10 mm)
7501 4 Jan 02 13:35 LAG2 3 0 24 81 +- 974 29 +- 506 1
7501 5 Jan 02 16:17 LAG2 4 0 7 95 +- 919 -44 +- 444 4
7501 5 Jan 02 16:25 LAG1 19 0 36 17 +- 22 18 +- 11 2
7501 5 Jan 02 19:57 LAG2 12 0 11 11 +- 30 0 +- 24 1
7501 6 Jan 02 13:57 LAG2 17 1 6 0 +- 29 4 +- 20 1
7501 6 Jan 02 15:09 LAG1 19 0 29 -4 +- 22 16 +- 12 2
7501 6 Jan 02 17:59 LAG2 15 0 14 4 +- 25 11 +- 22 1
7501 6 Jan 02 18:39 LAG1 14 0 28 23 +- 25 14 +- 25 2
7501 7 Jan 02 17:13 LAG1 9 0 11 0 +- 33 5 +- 15 0
7501 8 Jan 02 13:57 LAG2 18 0 15 -3 +- 22 7 +- 12 6
7501 8 Jan 02 15:51 LAG1 8 1 26 5 +- 50 12 +- 22 4
7501 8 Jan 02 18:25 LAG2 16 0 5 7 +- 31 -3 +- 30 1
7501 9 Jan 02 14:43 LAG1 4 1 17 -48 +- 399 -28 +- 351 1
7501 9 Jan 02 16:37 LAG2 9 0 16 5 +- 124 6 +- 79 1
7501 9 Jan 02 18:07 LAG1 14 0 25 18 +- 25 18 +- 26 0
7501 9 Jan 02 20:47 LAG2 13 0 4 -5 +- 38 5 +- 35 0
7501 11 Jan 02 12:35 LAG2 13 1 10 -13 +- 37 4 +- 34 2
7501 11 Jan 02 15:23 LAG1 12 2 33 0 +- 30 18 +- 17 6

Station 7806 (Metsahovi) (Position fixed, acc. 30 mm)
7806 9 Jan 02 15:32 LAG1 12 0 41 -43 +- 41 8 +- 38 10

Station 7810 (Zimmerwald) (Position fixed, acc. 60 mm)
7810 3 Jan 02 02:32 LAG2 9 0 23 20 +- 72 -6 +- 87 3
7810 3 Jan 02 06:07 LAG1 14 0 30 7 +- 53 -19 +- 34 6
7810 3 Jan 02 06:33 LAG2 16 0 30 -26 +- 63 24 +- 41 6
7810 3 Jan 02 09:39 LAG1 13 0 27 -23 +- 63 -4 +- 49 2
7810 3 Jan 02 10:47 LAG2 13 0 28 -28 +- 66 19 +- 41 3
7810 3 Jan 02 12:55 LAG1 19 0 37 -37 +- 46 -1 +- 27 3
7810 3 Jan 02 14:40 LAG2 14 0 116 -117 +- 55 4 +- 61 5
7810 3 Jan 02 16:23 LAG1 19 0 37 -38 +- 47 4 +- 25 3
7810 5 Jan 02 06:37 LAG2 22 0 24 -11 +- 43 12 +- 28 6
7810 5 Jan 02 06:48 LAG1 12 0 13 -13 +- 59 -2 +- 39 2
7810 5 Jan 02 10:15 LAG1 13 0 27 -30 +- 71 -3 +- 51 2
7810 5 Jan 02 10:55 LAG2 8 0 13 -12 +- 173 0 +- 144 3
7810 5 Jan 02 13:37 LAG1 14 0 49 -35 +- 63 -9 +- 29 3
7810 5 Jan 02 14:51 LAG2 12 0 115 -113 +- 77 2 +- 91 6
7810 5 Jan 02 17:32 LAG1 7 0 60 -63 +- 133 3 +- 135 1
7810 6 Jan 02 01:07 LAG2 3 0 57 68 +- 248 63 +-1186 1
7810 6 Jan 02 04:39 LAG2 19 0 35 -20 +- 48 12 +- 26 8
7810 6 Jan 02 05:23 LAG1 20 0 23 -20 +- 45 -3 +- 22 4
7810 6 Jan 02 08:47 LAG2 15 0 45 -19 +- 51 21 +- 28 8
7810 6 Jan 02 09:01 LAG1 8 0 24 -30 +- 99 -10 +- 82 4
7810 6 Jan 02 12:21 LAG1 15 0 27 -27 +- 54 -12 +- 37 1
7810 6 Jan 02 15:57 LAG1 19 0 46 -40 +- 52 -5 +- 30 3
7810 7 Jan 02 11:01 LAG2 14 0 45 -25 +- 55 17 +- 31 10
7810 7 Jan 02 11:05 LAG1 10 0 22 -15 +- 64 -14 +- 50 5
7810 7 Jan 02 14:33 LAG1 17 0 56 -33 +- 55 -17 +- 29 3
7810 7 Jan 02 15:17 LAG2 4 0 80 -79 +- 101 -19 +- 542 5
7810 7 Jan 02 18:15 LAG1 8 0 78 -81 +- 76 -15 +- 146 2
7810 8 Jan 02 13:13 LAG1 8 0 32 -16 +- 71 -20 +- 49 2
7810 8 Jan 02 13:19 LAG2 9 0 55 -51 +- 67 16 +- 71 2
7810 8 Jan 02 16:41 LAG1 15 0 49 -50 +- 53 -9 +- 38 3
7810 9 Jan 02 03:07 LAG2 22 0 20 -14 +- 44 12 +- 31 4
7810 9 Jan 02 04:49 LAG1 22 0 33 -17 +- 43 -13 +- 22 2
7810 9 Jan 02 07:13 LAG2 20 0 37 -14 +- 46 25 +- 30 7
7810 9 Jan 02 08:25 LAG1 18 0 44 -33 +- 48 -14 +- 29 3
7810 9 Jan 02 11:19 LAG2 18 0 31 -30 +- 47 4 +- 32 3
7810 9 Jan 02 11:47 LAG1 12 0 24 0 +- 58 -15 +- 35 3
7810 9 Jan 02 15:27 LAG1 17 0 48 -36 +- 64 -8 +- 35 1
7810 10 Jan 02 01:26 LAG2 5 0 9 5 +- 174 24 +- 337 4
7810 10 Jan 02 03:35 LAG1 18 0 16 13 +- 51 -10 +- 35 4
7810 10 Jan 02 05:21 LAG2 19 0 22 -13 +- 53 16 +- 34 3
7810 10 Jan 02 07:01 LAG1 22 0 49 -45 +- 42 -8 +- 22 3
7810 10 Jan 02 09:21 LAG2 21 0 40 -19 +- 43 23 +- 30 2
7810 10 Jan 02 10:27 LAG1 17 0 36 -24 +- 48 -15 +- 27 3
7810 10 Jan 02 13:45 LAG2 4 0 48 -59 +- 280 21 +- 477 0
7810 10 Jan 02 13:53 LAG1 22 0 39 -20 +- 43 -15 +- 22 2
7810 10 Jan 02 17:31 LAG1 19 0 77 -76 +- 46 -7 +- 38 6
7810 11 Jan 02 02:07 LAG1 14 0 41 41 +- 54 12 +- 65 7
7810 11 Jan 02 03:13 LAG2 26 0 11 0 +- 39 6 +- 24 6
7810 11 Jan 02 06:13 LAG1 4 0 16 -6 +-1414 -4 +- 572 5
7810 11 Jan 02 07:41 LAG2 8 0 19 -17 +- 92 15 +- 57 3
7810 11 Jan 02 09:15 LAG1 12 0 55 -49 +- 64 -6 +- 45 4
7810 11 Jan 02 12:31 LAG1 22 0 18 10 +- 42 -7 +- 22 6
7810 11 Jan 02 16:01 LAG1 17 0 54 -53 +- 50 2 +- 26 5
7810 12 Jan 02 11:13 LAG1 16 0 27 1 +- 51 -15 +- 28 6
7810 12 Jan 02 13:39 LAG2 10 0 71 -66 +- 111 5 +- 114 2
7810 12 Jan 02 14:37 LAG1 24 0 33 -28 +- 41 -8 +- 20 2
7810 12 Jan 02 18:41 LAG1 4 0 97 -76 +- 238 -54 +- 565 3

Station 7811 (Borowiec) (Position fixed, acc. 60 mm)
7811 3 Jan 02 16:31 LAG1 16 0 77 -75 +- 50 -8 +- 42 11

Station 7820 (Kunming) (Position solved, acc. 80 mm)
7820 5 Jan 02 21:15 LAG2 5 0 24 25 +- 124 -3 +- 87 4
7820 5 Jan 02 22:19 LAG1 12 0 20 3 +- 74 -12 +- 55 10
7820 11 Jan 02 21:13 LAG1 4 0 21 9 +- 150 -15 +- 162 5
7820 11 Jan 02 21:53 LAG2 14 0 12 -10 +- 74 0 +- 74 7
7820 12 Jan 02 20:01 LAG2 15 0 13 2 +- 74 -9 +- 63 9

Station 7824 (San Fernando) (Position fixed, acc. 40 mm)
7824 9 Jan 02 07:05 LAG2 8 0 53 64 +- 126 11 +- 118 4
7824 9 Jan 02 18:57 LAG1 6 0 35 38 +- 117 7 +- 182 7
7824 10 Jan 02 03:36 LAG1 8 0 31 30 +- 139 0 +- 111 7
7824 10 Jan 02 07:11 LAG1 5 0 15 59 +- 543 21 +- 247 4

Station 7832 (Riyad) (Position fixed, acc. 20 mm)
7832 6 Jan 02 15:47 LAG1 8 0 27 26 +- 63 1 +- 82 4
7832 7 Jan 02 10:45 LAG1 13 0 12 10 +- 29 -5 +- 27 4
7832 7 Jan 02 11:30 LAG2 12 0 19 -10 +- 31 -7 +- 20 12
7832 7 Jan 02 14:17 LAG1 14 0 22 -17 +- 32 -5 +- 24 6
7832 9 Jan 02 15:01 LAG1 14 0 5 1 +- 28 -1 +- 28 5
7832 12 Jan 02 05:53 LAG2 17 0 42 -37 +- 26 -33 +- 33 9
7832 12 Jan 02 10:03 LAG2 13 0 22 -10 +- 30 9 +- 16 12
7832 12 Jan 02 10:59 LAG1 15 1 21 17 +- 30 6 +- 24 4

Station 7835 (Grasse) (Position fixed, acc. 30 mm)
7835 5 Jan 02 17:31 LAG1 5 0 12 -9 +- 109 -4 +- 164 1
7835 6 Jan 02 16:01 LAG1 14 0 34 -32 +- 44 -2 +- 28 3
7835 8 Jan 02 16:43 LAG1 8 0 7 -10 +- 78 -11 +- 70 3
7835 11 Jan 02 09:29 LAG1 5 0 36 -35 +- 126 -1 +- 130 1

Station 7836 (Potsdam) (Position fixed, acc. 30 mm)
7836 3 Jan 02 02:35 LAG1 3 0 38 -37 +- 73 -47 +- 605 10
7836 3 Jan 02 02:53 LAG2 12 0 6 10 +- 79 -8 +- 59 4
7836 3 Jan 02 06:03 LAG1 14 0 26 21 +- 33 -10 +- 22 6
7836 3 Jan 02 06:39 LAG2 6 0 11 2 +- 130 7 +- 128 10
7836 3 Jan 02 16:46 LAG1 5 0 17 19 +- 117 -4 +- 153 4
7836 5 Jan 02 02:46 LAG2 11 0 35 2 +- 51 -32 +- 52 9
7836 5 Jan 02 03:17 LAG1 12 0 34 -34 +- 38 19 +- 34 4

Station 7837 (Shanghai Observatory) (Position fixed, acc. 50 mm)
7837 4 Jan 02 19:07 LAG2 17 0 67 -55 +- 44 20 +- 37 9
7837 4 Jan 02 19:59 LAG1 9 0 83 -93 +- 80 -17 +- 82 13
7837 5 Jan 02 21:41 LAG2 6 0 67 -72 +- 314 3 +- 233 6
7837 7 Jan 02 10:29 LAG1 6 0 49 -33 +- 161 14 +- 184 19
7837 8 Jan 02 19:43 LAG2 16 0 57 -63 +- 51 21 +- 38 18
7837 8 Jan 02 21:31 LAG1 9 0 44 -71 +- 137 -18 +- 81 4
7837 9 Jan 02 17:53 LAG2 7 0 108 -107 +- 69 -2 +- 155 11

Station 7838 (Simosato Observatory) (Position fixed, acc. 30 mm)
7838 12 Jan 02 07:12 LAG1 12 0 20 -11 +- 44 13 +- 32 13

Station 7839 (Graz) (Position fixed, acc. 10 mm)
7839 3 Jan 02 02:14 LAG1 19 0 10 0 +- 27 6 +- 20 6
7839 3 Jan 02 02:24 LAG2 20 0 52 47 +- 21 -9 +- 13 2
7839 3 Jan 02 09:33 LAG1 18 0 26 23 +- 25 2 +- 15 4
7839 3 Jan 02 10:29 LAG2 20 0 30 23 +- 21 12 +- 11 4
7839 3 Jan 02 12:44 LAG1 22 0 14 13 +- 20 3 +- 10 3
7839 3 Jan 02 14:51 LAG2 11 0 46 -47 +- 35 1 +- 49 1
7839 3 Jan 02 16:17 LAG1 23 0 21 17 +- 20 5 +- 10 4
7839 4 Jan 02 01:03 LAG2 8 0 24 49 +- 86 -33 +- 92 2
7839 4 Jan 02 01:05 LAG1 10 0 20 -19 +- 30 18 +- 69 3
7839 4 Jan 02 04:23 LAG2 19 0 27 25 +- 22 5 +- 11 4
7839 4 Jan 02 04:31 LAG1 15 0 31 32 +- 25 2 +- 12 6
7839 4 Jan 02 08:05 LAG1 14 0 34 43 +- 33 13 +- 21 3
7839 4 Jan 02 08:43 LAG2 12 0 43 34 +- 30 9 +- 17 4
7839 4 Jan 02 11:35 LAG1 19 0 19 8 +- 23 8 +- 13 1
7839 5 Jan 02 02:37 LAG2 20 0 56 36 +- 23 -22 +- 17 1
7839 5 Jan 02 03:08 LAG1 12 0 25 10 +- 32 17 +- 19 3
7839 7 Jan 02 03:54 LAG1 16 0 25 28 +- 28 2 +- 15 2
7839 7 Jan 02 07:50 LAG1 2 0 14 13 +- 72 18 +- 403 0
7839 7 Jan 02 14:30 LAG1 19 0 27 8 +- 23 -16 +- 13 1
7839 7 Jan 02 18:05 LAG1 11 0 18 -19 +- 32 -13 +- 36 2
7839 8 Jan 02 06:36 LAG1 5 0 18 13 +- 190 -18 +- 111 3
7839 8 Jan 02 16:47 LAG1 9 0 13 7 +- 32 -10 +- 36 0
7839 9 Jan 02 07:07 LAG2 25 0 40 33 +- 19 12 +- 12 4
7839 9 Jan 02 08:17 LAG1 18 0 18 15 +- 22 -5 +- 12 3
7839 9 Jan 02 11:29 LAG2 7 0 26 24 +- 40 3 +- 43 1
7839 9 Jan 02 11:55 LAG1 5 0 44 40 +- 64 -7 +- 91 2
7839 9 Jan 02 15:25 LAG1 15 0 11 12 +- 29 -8 +- 19 1
7839 10 Jan 02 03:37 LAG1 11 0 39 41 +- 30 -6 +- 22 4
7839 10 Jan 02 05:17 LAG2 14 0 30 27 +- 25 6 +- 15 3
7839 10 Jan 02 07:03 LAG1 11 0 13 14 +- 33 2 +- 23 3
7839 10 Jan 02 09:35 LAG2 6 0 21 35 +- 86 19 +- 94 1

Station 7840 (Herstmonceux) (Position fixed, acc. 20 mm)
7840 3 Jan 02 06:05 LAG1 14 0 23 11 +- 29 -13 +- 21 5
7840 3 Jan 02 06:31 LAG2 16 0 8 -3 +- 28 6 +- 21 3
7840 3 Jan 02 09:36 LAG1 13 0 12 11 +- 29 1 +- 24 2
7840 3 Jan 02 10:37 LAG2 12 0 13 2 +- 31 9 +- 24 2
7840 3 Jan 02 13:03 LAG1 12 0 11 1 +- 31 9 +- 26 4
7840 3 Jan 02 14:51 LAG2 5 0 50 -53 +- 80 6 +- 158 3
7840 3 Jan 02 16:33 LAG1 11 0 11 4 +- 38 5 +- 26 3
7840 4 Jan 02 04:35 LAG2 11 0 5 -4 +- 37 -4 +- 35 3
7840 4 Jan 02 04:41 LAG1 9 0 3 -1 +- 36 0 +- 23 2
7840 4 Jan 02 11:43 LAG1 10 0 17 -10 +- 34 11 +- 27 2
7840 11 Jan 02 12:41 LAG1 15 0 26 25 +- 27 3 +- 19 3
7840 11 Jan 02 16:11 LAG1 14 0 22 -19 +- 28 6 +- 17 2
7840 12 Jan 02 04:23 LAG1 14 0 39 38 +- 28 -9 +- 24 3
7840 12 Jan 02 05:27 LAG2 20 0 5 3 +- 24 0 +- 18 3
7840 12 Jan 02 07:55 LAG1 14 0 20 17 +- 28 -4 +- 21 5

Station 7845 (Grasse) (Position fixed, acc. 20 mm)
7845 3 Jan 02 02:33 LAG2 11 0 29 15 +- 34 -29 +- 49 1
7845 3 Jan 02 06:39 LAG2 11 0 31 -31 +- 47 8 +- 34 20
7845 3 Jan 02 09:37 LAG1 15 0 26 -24 +- 29 15 +- 22 4
7845 3 Jan 02 10:38 LAG2 10 0 43 -35 +- 72 6 +- 56 2
7845 8 Jan 02 13:11 LAG1 14 0 41 -32 +- 30 -8 +- 17 10
7845 9 Jan 02 08:35 LAG1 15 0 30 -37 +- 36 14 +- 23 10
7845 10 Jan 02 07:13 LAG1 14 0 32 -35 +- 32 15 +- 20 6
7845 10 Jan 02 17:35 LAG1 21 0 36 -18 +- 28 -14 +- 20 10
7845 11 Jan 02 16:11 LAG1 21 0 23 -23 +- 29 3 +- 15 11

Station 7849 (Mount Stromlo) (Position fixed, acc. 10 mm)
7849 3 Jan 02 07:59 LAG1 4 0 14 -77 +-1070 -34 +- 401 2
7849 3 Jan 02 08:29 LAG2 12 0 12 -16 +- 54 2 +- 36 2
7849 3 Jan 02 11:43 LAG1 6 0 27 23 +- 47 9 +- 68 3
7849 3 Jan 02 12:29 LAG2 15 0 16 13 +- 24 -7 +- 24 2
7849 3 Jan 02 14:51 LAG1 13 0 19 -19 +- 27 0 +- 25 4
7849 3 Jan 02 18:39 LAG1 8 0 21 -14 +- 168 -3 +- 76 2
7849 4 Jan 02 06:19 LAG2 11 0 7 3 +- 33 -3 +- 25 1
7849 4 Jan 02 06:52 LAG1 12 0 55 -58 +- 33 4 +- 26 5
7849 4 Jan 02 10:17 LAG1 12 0 24 23 +- 27 4 +- 26 3
7849 4 Jan 02 10:45 LAG2 11 0 9 -2 +- 66 -4 +- 47 1
7849 5 Jan 02 04:41 LAG2 11 0 26 33 +- 47 -36 +- 40 2
7849 5 Jan 02 05:26 LAG1 13 0 44 -45 +- 29 2 +- 30 3
7849 5 Jan 02 08:27 LAG2 15 0 19 -10 +- 26 -17 +- 22 1
7849 5 Jan 02 09:03 LAG1 10 0 9 7 +- 34 2 +- 31 4
7849 6 Jan 02 06:51 LAG2 10 0 6 2 +- 78 -4 +- 47 2
7849 6 Jan 02 07:31 LAG1 12 0 15 -17 +- 35 -4 +- 25 3
7849 6 Jan 02 10:57 LAG2 6 0 6 4 +- 55 -2 +- 97 5
7849 7 Jan 02 04:43 LAG2 13 0 25 16 +- 26 -17 +- 24 3
7849 7 Jan 02 06:13 LAG1 14 0 12 1 +- 26 -10 +- 22 3
7849 7 Jan 02 09:01 LAG2 8 0 6 10 +- 86 -4 +- 69 3
7849 7 Jan 02 09:53 LAG1 8 0 17 6 +- 56 -17 +- 46 4
7849 7 Jan 02 13:03 LAG2 2 0 4 115 +-2386 96 +-1960 0
7849 7 Jan 02 16:19 LAG1 14 0 12 13 +- 29 5 +- 20 2
7849 7 Jan 02 17:17 LAG2 5 0 11 3 +- 113 7 +- 117 2
7849 7 Jan 02 19:55 LAG1 15 0 7 2 +- 24 5 +- 22 3
7849 8 Jan 02 06:45 LAG2 11 0 6 4 +- 42 6 +- 32 2
7849 8 Jan 02 15:23 LAG1 2 0 27 -79 +- 675 104 +- 664 0
7849 8 Jan 02 18:29 LAG1 12 0 18 11 +- 35 16 +- 26 3
7849 9 Jan 02 04:52 LAG2 13 0 35 -35 +- 27 5 +- 24 3
7849 9 Jan 02 07:03 LAG1 8 0 13 -11 +- 42 -17 +- 45 3
7849 9 Jan 02 09:05 LAG2 9 0 31 30 +- 32 -7 +- 49 1
7849 10 Jan 02 07:00 LAG2 9 0 8 2 +- 32 5 +- 22 1
7849 10 Jan 02 09:11 LAG1 12 0 16 11 +- 28 -11 +- 21 3
7849 10 Jan 02 19:19 LAG1 13 0 10 8 +- 26 3 +- 24 4
7849 12 Jan 02 07:15 LAG2 18 0 19 -1 +- 22 14 +- 16 3
7849 12 Jan 02 11:41 LAG2 6 0 7 3 +- 44 10 +- 89 1
7849 12 Jan 02 16:39 LAG1 4 0 28 2 +- 231 -18 +- 166 2

Station 7941 (Matera) (Position solved, acc. 10 mm)
7941 8 Jan 02 13:29 LAG1 6 0 12 -13 +- 250 0 +- 111 0
7941 9 Jan 02 03:21 LAG2 14 0 12 2 +- 47 -8 +- 27 2
7941 10 Jan 02 10:25 LAG1 10 2 4 2 +- 86 4 +- 60 1
7941 10 Jan 02 13:45 LAG1 24 0 11 0 +- 19 -5 +- 9 2
7941 10 Jan 02 17:47 LAG1 6 0 18 -2 +- 127 -17 +- 140 1
7941 11 Jan 02 11:43 LAG2 5 2 4 -28 +- 415 -22 +- 355 1
7941 11 Jan 02 12:39 LAG1 13 0 32 23 +- 31 8 +- 22 3
7941 11 Jan 02 16:03 LAG1 11 0 6 -4 +- 37 1 +- 32 1
7941 12 Jan 02 23:41 LAG2 10 0 21 -29 +- 41 -25 +- 62 0

Station 8834 (Wettzell) (Position fixed, acc. 10 mm)
8834 8 Jan 02 05:23 LAG2 4 0 61 -73 +- 97 27 +- 197 2
8834 8 Jan 02 06:13 LAG1 14 0 61 -69 +- 29 -18 +- 18 11
--------------------------------------------------------------------------------



Distribution of daytime, nighttime and twilight passes since Jul 1, 2001:
--------------------------------------------------------------------------
Station System Period Number of Passes
LAGEOS-1 LAGEOS-2
Day/Night/Twil. Day/Night/Twil. Total
--------------------------------------------------------------------------
1824 KIEVLA 010704 - 011214 0/ 12/ 0 0/ 17/ 0 29
1863 MDNLAS 010808 - 011118 0/ 9/ 0 0/ 5/ 0 14
1864 MD2LAS 011025 - 011227 0/ 4/ 0 0/ 8/ 0 12
1868 KOMLAS 010910 - 011126 0/ 7/ 0 0/ 5/ 0 12
1873 SIMLAS 010706 - 011014 0/ 31/ 0 0/ 41/ 0 72
1884 RIGLAS 010702 - 011214 0/ 29/ 0 0/ 29/ 4 62
1893 CRMLAS 010702 - 011026 0/ 27/ 0 0/ 33/ 0 60
7080 MLRS25 010703 - 020114 64/ 83/ 12 94/111/ 11 375
7090 ML0514 010701 - 020113 117/224/ 25 140/174/ 21 701
7105 ML0725 010701 - 020113 112/129/ 18 82/159/ 14 514
7110 ML0414 010701 - 020114 41/183/ 16 48/219/ 20 527
7124 ML0819 011101 - 020114 0/ 4/ 0 0/ 7/ 0 11
7210 HOLLAS 010703 - 020111 3/ 81/ 4 12/ 73/ 6 179
7231 WUHA01 010704 - 010806 0/ 2/ 0 0/ 1/ 0 3
7237 CHALAS 010708 - 020112 0/134/ 1 0/170/ 1 306
7249 BEJLAS 010704 - 011226 0/ 43/ 0 0/ 58/ 0 101
7339 TATLAS 010702 - 011012 27/ 1/ 0 16/ 0/ 0 44
7356 TROS01 010824 - 011229 0/ 61/ 0 0/ 52/ 0 113
7403 TLRS3 010704 - 020114 4/ 51/ 1 2/ 56/ 2 116
7501 ML0616 010701 - 020111 67/ 84/ 4 91/ 73/ 10 329
7548 CAGLAS 010718 - 011102 0/ 4/ 0 0/ 3/ 0 7
7806 METLAS 010702 - 020109 0/ 22/ 3 0/ 14/ 1 40
7810 ZIMLAT 010701 - 020114 172/109/ 19 100/115/ 14 529
7811 POLLAS 010701 - 020103 0/ 43/ 0 0/ 43/ 0 86
7820 YSLR01 011012 - 020112 0/ 19/ 1 0/ 19/ 0 39
7824 SPNLAS 010705 - 020114 0/ 30/ 2 0/ 30/ 1 63
7832 SALRO 010701 - 020114 141/ 44/ 11 137/ 34/ 11 378
7835 GRASSE 010701 - 020111 77/144/ 22 44/146/ 15 448
7836 GFZLAS 010701 - 020114 0/ 50/ 4 1/ 52/ 7 114
7837 CHILAS 010702 - 020109 0/ 78/ 1 0/ 96/ 1 176
7838 SHOLAS 010704 - 020113 6/ 60/ 5 12/ 73/ 3 159
7839 AUSLAS 010702 - 020110 105/123/ 20 78/104/ 15 445
7840 RGOLAS 010701 - 020112 189/113/ 27 94/118/ 19 560
7845 GRASLL 010701 - 020111 69/ 51/ 14 29/ 53/ 7 223
7849 MSLO01 010701 - 020113 81/157/ 16 90/ 85/ 23 452
7941 MLROnn 010703 - 020113 49/ 19/ 5 21/ 19/ 3 116
8834 WLRS01 010701 - 020114 94/ 41/ 13 51/ 87/ 14 300
--------------------------------------------------------------------------


C. EARTH ROTATION PARAMETER SOLUTIONS FOR IERS

The following solutions for the polar motion and the UT1-UTC time difference
were also obtained in the 10-day data arc analysis described in the previous
section. Only solutions submitted to IERS are presented here.

--------------------------------------------------------------
DATE X Y UT1-UTC
(YYMMDD.D) (MAS) (MAS) (MS)
--------------------------------------------------------------
020107.0 -179.9 +/- 0.1 313.2 +/- 0.1 -32125.66 +/- 0.01
020110.0 -181.9 +/- 0.1 321.8 +/- 0.1 -32128.31 +/- 0.01
--------------------------------------------------------------



D. COMMENTS

1. This is a QLDAC analysis report in a new style. Although our old report
served quite well for observation campaigns, we have received many requests
to adjust our report to the current situation (i.e. a permanent global SLR
network with few mobile systems), and to spend more attention to the quality
of the data taken by the global network.
The most important element of the report is the table with statistics for
each individual data pass. Although the numbers will speak for themselves,
we must give a warning here that some of you may be disappointed to see that
their station appears to be suffering from a data problem. However, we are
using a model for station positions that is already 7 years old, and which
may be responsible for errors in the station position in the order of 1-5 cm.
We intend to introduce a new coordinates solution in the course of this
millennium.
Readers of this report are invited to provide us suggestions for further
improvements.


”/DGFI3/home/slreport/mbox” complete
From: Ron Noomen

********************************************************************************

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